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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
School me on case design..
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<blockquote data-quote="Bart B" data-source="post: 619048" data-attributes="member: 5302"><p>Looks like I forgot to answer this before. Sorry 'bout that.</p><p></p><p>It's the actual powder weight. And I'd use a medium speed powder for the case size. I've never searched for a powder's bulk density but they do vary. With the IMR extruded powders they're pretty much the same weight for a given volume as far as I could tell. Never did any "exact science" stuff to compare any of them. </p><p></p><p>It's possible and does happen that over bore capacity cases (those, to me, that hold more powder than bore capacity is) can deliver great accuracy. And come very close to what those cases at bore capacity will do. But the powder choice and exact charge weight may be more critical.</p></blockquote><p></p>
[QUOTE="Bart B, post: 619048, member: 5302"] Looks like I forgot to answer this before. Sorry 'bout that. It's the actual powder weight. And I'd use a medium speed powder for the case size. I've never searched for a powder's bulk density but they do vary. With the IMR extruded powders they're pretty much the same weight for a given volume as far as I could tell. Never did any "exact science" stuff to compare any of them. It's possible and does happen that over bore capacity cases (those, to me, that hold more powder than bore capacity is) can deliver great accuracy. And come very close to what those cases at bore capacity will do. But the powder choice and exact charge weight may be more critical. [/QUOTE]
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School me on case design..
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